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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.JFFS2 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/README.JFFS2 b/doc/README.JFFS2 index 0d39c46453..3243895150 100644 --- a/doc/README.JFFS2 +++ b/doc/README.JFFS2 @@ -9,6 +9,14 @@ fsload - load binary file from a file system image fsinfo - print information about file systems ls - list files in a directory +If you boot from a partition which is mounted writable, and you +update your boot environment by replacing single files on that +partition, you should also define CFG_JFFS2_SORT_FRAGMENTS. Scanning +the JFFS2 filesystem takes *much* longer with this feature, though. +Sorting is done while inserting into the fragment list, which is +more or less a bubble sort. That algorithm is known to be O(n^2), +thus you should really consider if you can avoid it! + There is two ways for JFFS2 to find the disk. The default way uses the flash_info structure to find the start of a JFFS2 disk (called |